A029723 - OEIS

This site is supported by donations to The OEIS Foundation.

A029723

Trace of Frobenius of the reduction mod 2 of the elliptic curve C / L, L a lattice with Gram matrix [ 4 1; 1 2n ].

1, 1, 3, 1, 5, 9, 3, 1, 21, 7, 13, 13, 5 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`Of form sqrt(2^(h(1-8n)+2)-m^2(8n-1)), with m odd.`
	CROSSREFS	`Sequence in context: A193702 A193710 A128821 * A187370 A201751 A202504` `Adjacent sequences: A029720 A029721 A029722 * A029724 A029725 A029726`
	KEYWORD	`nonn`
	AUTHOR	`Eric Rains (rains(AT)caltech.edu)`

Content is available under The OEIS End-User License Agreement .

Last modified February 13 21:59 EST 2012. Contains 205562 sequences.